CN102761440B - Method for establishing channel for managing IPv4 terminal and network gateway - Google Patents
Method for establishing channel for managing IPv4 terminal and network gateway Download PDFInfo
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- CN102761440B CN102761440B CN201210218484.8A CN201210218484A CN102761440B CN 102761440 B CN102761440 B CN 102761440B CN 201210218484 A CN201210218484 A CN 201210218484A CN 102761440 B CN102761440 B CN 102761440B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
- H04L61/2517—Translation of Internet protocol [IP] addresses using port numbers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
- H04L61/256—NAT traversal
- H04L61/2582—NAT traversal through control of the NAT server, e.g. using universal plug and play [UPnP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
- H04L61/2592—Translation of Internet protocol [IP] addresses using tunnelling or encapsulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/167—Adaptation for transition between two IP versions, e.g. between IPv4 and IPv6
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Abstract
The invention discloses a method for establishing a channel for managing an IPv4 terminal and a network gateway, belonging to the field of communication. The method comprises the following steps of: receiving a network port identification of the IPv4 terminal sent by a home gateway; and distributing a monitoring port to the IPv4 terminal according to the network port identification of the IPv4 terminal to establish a channel for managing the IPv4 terminal between the network port and the monitoring port so as to convenient for the IPv4 terminal to receive the remote management of management equipment. According to the invention, the network port identification of the IPv4 terminal sent via the home gateway of the IPv4 terminal is received, and the monitoring port is opened for the IPv4 terminal according to the network port identification for receiving a management message sent by the management equipment, so that the problems that third party equipment is needed to assist, and the hold time is short during establishing a channel of the management equipment to a remote management IPv4 terminal of the IPv4 terminal in the prior art are solved, and the purposes of simplifying the complexity of the DS-lite deploy, reducing the maintenance difficulty and saving the deploy and maintenance cost are achieved.
Description
Technical field
The present invention relates to the communications field, particularly a kind of method for building up of passage of managing I Pv4 terminal and network gateway.
Background technology
DS-lite(Double Stack-light, light-weight dual-stack) be a kind of transitional technology proposed in order to IPv4 terminal compatible in IPv6 network (namely only support the terminal of IPv4 agreement, be called for short IPv4 terminal herein) to IPv6 transient process from IPv4 at current internet protocol.
Please refer to Fig. 1, it illustrates the node interaction figure of the network communicating system under a kind of DS-lite environment of the prior art.This network communicating system comprises with lower node: IPv4 terminal, home gateway, network gateway, be positioned at the STUN(Simple Traversal of UDP over NATs of outer net, the UDP simple traversal of NAT) server and two stack management server.
Wherein, the communication under DS-lite environment mainly through the IPv6 tunnel between home gateway and network gateway and be deployed in NAT(Network Address Translation on network gateway, mapping network addresses) technology realizes.IPv4 terminal can be communicated with outer net by the IPv6 tunnel between home gateway and network gateway, when IPv4 terminal is the equipment of camera or Set Top Box and so on, this IPv4 terminal also needs the telemanagement of the two stack management servers accepting to be in outer net, now needs the passage of the managing I Pv4 terminal built between IPv4 terminal and two stack management server.But due under DS-lite environment, nat feature is born by network gateway, the management information triggered by the two stack management servers being positioned at outer net cannot directly send to IPv4 terminal; Therefore, the passage how setting up the managing I Pv4 terminal between IPv4 terminal and two stack management server becomes the problem that must solve in DS-lite deployment.
In prior art, the Path Setup problem of the managing I Pv4 terminal between IPv4 terminal and two stack management server solves mainly through Simple Traversal of UDP Through Network Address Translators, i.e. NAT(Network Address Translation, mapping network addresses) UDP(User Datagram Protocol, User Datagram Protocol) simple traversal agreement solves.Briefly, under such an arrangement, IPv4 terminal communicates and can comprise setting up with two stack management server via home gateway and network gateway: first, IPv4 terminal sends message to STUN server, open an interim listening port at network gateway, set up communication by continuous and STUN server and maintain this interim listening port; The second, IPv4 terminal sends to two stack management server and accepts management notice; Three, IPv4 terminal receives the administrative messag of two stack management server transmission by interim listening port.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
When adopting Simple Traversal of UDP Through Network Address Translators to solve the problem of the Path Setup of the managing I Pv4 terminal between IPv4 terminal under DS-lite environment and two stack management server, need the STUN server that special deployment is a large amount of in huge network, too much hardware device not only can promote complexity and the maintenance difficulties of DS-lite deployment, also can improve deployment and maintenance cost simultaneously.
Summary of the invention
In order to simplify the complexity that DS-lite disposes, reducing maintenance difficulties, saving the cost disposed and safeguard, embodiments provide a kind of method for building up and network gateway of passage of managing I Pv4 terminal.Described technical scheme is as follows:
On the one hand, provide a kind of method for building up of passage of managing I Pv4 terminal, described method comprises:
Receive the network port identification of the IPv4 terminal that home gateway sends;
Be described IPv4 terminal distribution listening port according to the network port identification of described IPv4 terminal, to set up the passage of the managing I Pv4 terminal between the described network port and described listening port, so that described IPv4 terminal accepts the telemanagement of management equipment.
On the other hand, provide a kind of verification method of passage of managing I Pv4 terminal, described method comprises:
The first corresponding relation that the passage receiving the managing I Pv4 terminal that IPv4 terminal is set up by network gateway sends, described first corresponding relation is: the mark of described IPv4 terminal itself and described IPv4 terminal receive the binding relationship between the mark of home gateway transmission;
Obtain the second corresponding relation that described home gateway sends, described second corresponding relation is: described home gateway receives the binding relationship between the mark of IPv4 terminal transmission and the mark of described home gateway itself;
When judging that described second corresponding relation is identical with described first corresponding relation, judge that the Path Setup of described managing I Pv4 terminal is correct.
Another aspect, provides a kind of network gateway, and described network gateway specifically comprises:
Receiving element, for receiving the network port identification of the IPv4 terminal that home gateway sends;
Port control unit, network port identification for the described IPv4 terminal received according to described receiving element is described IPv4 terminal distribution listening port, to set up the passage of the managing I Pv4 terminal between the described network port and described listening port, so that described IPv4 terminal accepts the telemanagement of management equipment.
Another aspect, provides a kind of management equipment, and described management equipment comprises:
First receiving element, for the first corresponding relation that the passage receiving the managing I Pv4 terminal that IPv4 terminal is set up by network gateway sends, described first corresponding relation is: the mark of described IPv4 terminal itself and described IPv4 terminal receive the binding relationship between the mark of home gateway transmission;
Second receiving element, for receiving the second corresponding relation that home gateway sends, described second corresponding relation is: described home gateway receives the binding relationship between the mark of IPv4 terminal transmission and the mark of described home gateway itself;
Judging unit, for when judging that described second corresponding relation is identical with described first corresponding relation, judges that the Path Setup of described managing I Pv4 terminal is correct.
Another aspect, provide a kind of method forwarding the data of the passage of managing I Pv4 terminal, described method comprises:
Receive the network port identification of the described IPv4 terminal that IPv4 terminal sends;
The network port identification of the described IPv4 terminal that described first receiving element receives is sent to network gateway;
Receiving the network port identification based on described IPv4 terminal that described network gateway sends is mapping relations between the listening port of described IPv4 terminal distribution and the network port of described IPv4 terminal, to forward the data between the described network port and described listening port according to described mapping relations.
Again on the one hand, provide a kind of home gateway, described home gateway comprises:
First receiving element, for receiving the network port identification of the described IPv4 terminal that IPv4 terminal sends;
First transmitting element, for sending the network port identification of the described IPv4 terminal that described first receiving element receives to network gateway;
Second receiving element, the network port identification based on described IPv4 terminal sent for receiving described network gateway is the mapping relations between the listening port of described IPv4 terminal distribution and the network port of described IPv4 terminal, to forward the data between the described network port and described listening port according to described mapping relations.
By technical scheme provided by the invention, the network port identification of this IPv4 terminal that IPv4 terminal sends via home gateway is received by network gateway, and according to this network port identification be this IPv4 terminal open one can the listening port of long term maintenance, for the administrative messag that receiving management equipment sends to this IPv4 terminal, thus set up the passage of management equipment to the remote management IP v4 terminal of this IPv4 terminal, overcome in prior art set up the passage of management equipment to the remote management IP v4 terminal of IPv4 terminal need third party device assist and short problem of holding time, reach the complexity simplifying DS-lite and dispose, reduce maintenance difficulties, save the object of deployment and maintenance cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the node interaction figure of the network communicating system that background technology of the present invention provides;
Fig. 2 is the method flow diagram of the method for building up of the passage of the managing I Pv4 terminal that the embodiment of the present invention one provides;
Fig. 3 is the method flow diagram of the verification method of the passage of the managing I Pv4 terminal that the embodiment of the present invention two provides;
Fig. 4 is the foundation of passage and the method flow diagram of verification method of the managing I Pv4 terminal that the embodiment of the present invention three provides;
Fig. 5 is the foundation of passage and the method flow diagram of verification method of the managing I Pv4 terminal that the embodiment of the present invention four provides;
Fig. 6 is the method flow diagram of the method for the data of the passage of the forwarding managing I Pv4 terminal that the embodiment of the present invention five provides;
Fig. 7 is the structural representation of the network gateway that the embodiment of the present invention six provides;
Fig. 8 is the structural representation of the home gateway that the embodiment of the present invention seven provides;
Fig. 9 is the structural representation of the IPv4 terminal that the embodiment of the present invention eight provides;
Figure 10 is the structural representation of the management equipment that the embodiment of the present invention nine provides;
Figure 11 is the Path Setup of the managing I Pv4 terminal that the embodiment of the present invention ten provides and the System's composition figure of verification system.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment one
Refer to Fig. 2, it illustrates the method flow diagram of the method for building up of the passage of the managing I Pv4 terminal that embodiment one provides.The method for building up of the passage of this managing I Pv4 terminal may be used for the passage setting up managing I Pv4 terminal in the DS-lite network environment comprising IPv4 terminal, home gateway, network gateway and management equipment, and the method can comprise:
Step 201, receives the network port identification of the IPv4 terminal that home gateway sends;
Concrete, network gateway receives the PCP request carrying the network port identification of IPv4 terminal that home gateway sends.
IPv4 terminal sends the DHCP(Dynamic Host Configuration Protocol carrying own net port-mark to home gateway, DHCP) request, home gateway sends PCP(Port Control Protocal according to this DHCP request to network gateway, port control protocols) request, wherein, this PCP carries the network port identification of this IPv4 terminal equally in asking.
Step 202 is this IPv4 terminal distribution listening port according to the network port identification of this IPv4 terminal, to set up the passage of the managing I Pv4 terminal between the network port and listening port, so that IPv4 terminal accepts the telemanagement of management equipment.
Wherein, the listening port of this distribution is used for the administrative messag that management of monitor equipment sends.In the present embodiment, this listening port is corresponding one by one with the network port of this IPv4 terminal.
Concrete, network gateway is IPv4 terminal distribution untapped port, as the listening port of this IPv4 terminal, and set up the mapping relations of the network port of this listening port and IPv4 terminal, after this port mapping relationship set up is sent to home gateway by network gateway, the administrative messag that the management equipment (as two stack management server) that this listening port can be received sends sends to home gateway, according to this port mapping relationship, administrative messag is forwarded to the network port of IPv4 terminal by home gateway.Wherein, network gateway is that the listening port of IPv4 terminal distribution can long term maintenance, and the time can be time of this this startup optimization of IPv4 terminal.
In sum, the method for building up of the passage of the managing I Pv4 terminal that the present embodiment one provides, the network port identification of this IPv4 terminal sent via home gateway is received by network gateway, and according to this network port identification be this IPv4 terminal open one can the listening port of long term maintenance, for the administrative messag that receiving management equipment sends to this IPv4 terminal, thus set up the passage of management equipment to the remote management IP v4 terminal of this IPv4 terminal, overcome in prior art set up the passage of management equipment to the remote management IP v4 terminal of IPv4 terminal need third party device assist and short problem of holding time, reach the complexity simplifying DS-lite and dispose, reduce maintenance difficulties, save the object of deployment and maintenance cost.
Embodiment two
Refer to Fig. 3, it illustrates the method flow diagram of the verification method of the passage of the managing I Pv4 terminal that the embodiment of the present invention two provides.Whether the passage that the verification method of the passage of this managing I Pv4 terminal can be applied to verification management IPv4 terminal in the DS-lite network environment comprising IPv4 terminal, home gateway, network gateway and management equipment is set up correctly, and the verification method of the passage of this managing I Pv4 terminal can comprise:
Step 301, management equipment receives first corresponding relation of IPv4 terminal through the passage transmission of the managing I Pv4 terminal of foundation, and this first corresponding relation is: the binding relationship between the mark that the mark of this IPv4 terminal itself and this IPv4 terminal reception home gateway send;
IPv4 terminal receives the mark of this home gateway that home gateway sends, and using the binding relationship between the mark of this home gateway and the mark of self as the first corresponding relation.After the Path Setup of managing I Pv4 terminal completes, this first corresponding relation is sent to management equipment through the passage of the managing I Pv4 terminal set up by this IPv4 terminal.
It should be noted that, when IPv4 terminal sends message to management equipment, only need to know the information such as the public network address of this management equipment, do not need the passage setting up managing I Pv4 terminal, but its path sent is consistent with the passage of the managing I Pv4 terminal of foundation.
Step 302, management equipment obtains the second corresponding relation that home gateway sends, and this second corresponding relation is: this home gateway receives the binding relationship between the mark of IPv4 terminal transmission and the mark of this home gateway itself;
Home gateway receives the mark of this IPv4 terminal that IPv4 terminal sends, and using the binding relationship of the mark of this IPv4 terminal and the mark of self as the second corresponding relation.After the Path Setup of managing I Pv4 terminal completes, this second corresponding relation is sent to management equipment by this home gateway.
Step 303, when judging that this second corresponding relation is identical with this first corresponding relation, judges that the Path Setup of this managing I Pv4 terminal is correct.
Management equipment compares respectively by the IPv4 terminal iidentification in the IPv4 terminal iidentification in the second corresponding relation and home gateway mark and the first corresponding relation and home gateway being identified, if two identical words of corresponding relation, then judge that the Path Setup of this managing I Pv4 terminal is correct.
In sum, the verification method of the passage of the managing I Pv4 terminal that the present embodiment two provides, by obtaining the binding relationship of the mark of IPv4 terminal and the mark of home gateway respectively from IPv4 terminal and home gateway, and the binding relationship of home gateway and IPv4 terminal is verified with this, reach and improve management equipment to the object of IPv4 terminal management accuracy.
Embodiment three
In order to specifically describe the method that embodiment one and embodiment two provide, refer to Fig. 4, it illustrates the foundation of passage and the method flow diagram of verification method of the managing I Pv4 terminal that the embodiment of the present invention three provides, the method can be applied to be set up and the passage of verification management IPv4 terminal in the DS-lite network environment comprising the nodes such as IPv4 terminal, home gateway, network gateway and management equipment, wherein, management equipment is two stack management servers.The method flow process specifically can comprise step:
Step 401, network gateway receives the network port identification of the IPv4 terminal that home gateway sends;
Concrete, the network port identification of self is sent to home gateway by IPv4 terminal, the network port identification of this IPv4 terminal received is sent to network gateway by home gateway again, and wherein the network port identification of IPv4 terminal can be the port numbers of this network port.
Step 402, network gateway is this IPv4 terminal distribution listening port according to the network port identification of IPv4 terminal, to set up the passage of the managing I Pv4 terminal between the network port of this IPv4 terminal and this listening port;
After network gateway receives the network port identification of IPv4 terminal, for this IPv4 terminal distribution untapped port is as the listening port of this IPv4 terminal, and the mapping relations between the network port setting up this listening port and IPv4 terminal; Concrete, network gateway can set up mapping relations for the port numbers of the port numbers of listening port and the network port of IPv4 terminal.
Further, after network gateway sets up the mapping relations of the network port of this listening port and IPv4 terminal, the mapping relations of the network port of this listening port and IPv4 terminal are returned to home gateway, now, the administrative messag that management equipment that this listening port just can receive according to these mapping relations by home gateway sends is forwarded on the network port of IPv4 terminal, and the Path Setup of the managing I Pv4 terminal namely between the network port of this IPv4 terminal and listening port completes.
Step 403, management equipment receives the first corresponding relation that IPv4 terminal is sent by the passage of the managing I Pv4 terminal set up, and this first corresponding relation is: the binding relationship between the mark that the mark of IPv4 terminal itself and this IPv4 terminal reception home gateway send;
Wherein, IPv4 terminal can receive the mark of this home gateway that home gateway sends in advance, and using the binding relationship between the mark of this home gateway and the mark of self as the first corresponding relation, wherein, the mark of home gateway is the special identifier for distinguishing this home gateway in a network, can be the MAC Address etc. of this home gateway, same, the mark of this IPv4 terminal self also can be the MAC Address of this IPv4 terminal.
After the Path Setup of managing I Pv4 terminal completes, management equipment can receive the first corresponding relation that IPv4 terminal initiatively sends; Also can send the request of acquisition first corresponding relation to IPv4 terminal, and receive IPv4 terminal according to first corresponding relation of asking to return.
Step 404, management equipment obtains the second corresponding relation that home gateway sends, and this second corresponding relation is: home gateway receives the binding relationship between the mark of IPv4 terminal transmission and the mark of this home gateway itself;
Accordingly, home gateway also can receive the mark of this IPv4 terminal that IPv4 terminal sends in advance, and using the binding relationship between the mark of the IPv4 terminal of acquisition and the mark of this home gateway self as the second corresponding relation; Management equipment can receive the second corresponding relation that home gateway initiatively sends; Also can send the request of acquisition second corresponding relation to home gateway, and receive home gateway according to second corresponding relation of asking to return.
It should be noted that, management equipment obtains the order of the first corresponding relation and the second corresponding relation in no particular order, and both can carry out simultaneously.
Step 405, when management equipment judges that this second corresponding relation is identical with this first corresponding relation, then judges that the Path Setup of this managing I Pv4 terminal is correct.
Management equipment judges that whether this second corresponding relation is identical with this first corresponding relation, if identical, then the Path Setup of managing I Pv4 terminal is correct.Concrete, IPv4 terminal iidentification in IPv4 terminal iidentification in second corresponding relation and home gateway mark and the first corresponding relation and home gateway can identify and compare respectively by management equipment, if two identical words of corresponding relation, then illustrate that the Path Setup of managing I Pv4 terminal is correct.
In sum, the foundation of the passage of the terminal management IPv4 terminal that the present embodiment three provides and verification method, the network port identification of this IPv4 terminal sent via home gateway is received by network gateway, and open a listening port according to this network port identification for this IPv4 terminal, for the administrative messag that receiving management equipment sends to this IPv4 terminal, namely the passage of managing I Pv4 terminal can be set up without the need to third party device, reach the complexity simplifying DS-lite and dispose, reduce maintenance difficulties, save the object of deployment and maintenance cost; In addition, the foundation of the passage of the terminal management IPv4 terminal that the present embodiment three provides and verification method also obtain the binding relationship of the mark of IPv4 terminal and the mark of home gateway respectively from IPv4 terminal and home gateway by management equipment, and the binding relationship of home gateway and IPv4 terminal is verified with this, reach and improve management equipment to the object of IPv4 terminal management accuracy.
Embodiment four
Refer to Fig. 5, it illustrates the foundation of passage and the method flow diagram of verification method of the terminal management IPv4 terminal that the embodiment of the present invention four provides, the foundation of the passage of this terminal management IPv4 terminal and verification method can be applied to the passage setting up the administrative messag that IPv4 terminal receiving management equipment sends in the DS-lite network environment comprising the nodes such as IPv4 terminal, home gateway, network gateway and management equipment, wherein, management equipment is two stack management servers.Set up the passage of managing I Pv4 terminal for Based PC P agreement, foundation and the verification method flow process of the passage of this terminal management IPv4 terminal can specifically comprise the steps:
Step 501, IPv4 terminal sends the DynamicHost configuring request carrying IPv4 terminal network port to home gateway;
Concrete, after IPv4 terminal starts, the broadcast (DHCP Discover) that can provide the home gateway of DynamicHost configuration service in local area network (LAN) is searched in automatic transmission, after home gateway receives the DHCP Discover of IPv4 terminal transmission, the response (DHCP Offer) to DHCP Discover is returned to IPv4 terminal, after IPv4 terminal receives the DHCP Offer that home gateway returns, DynamicHost configuring request (DHCP Request) is sent to home gateway, the network port identification of this IPv4 terminal and the mark of this IPv4 terminal is carried in this DynamicHost configuring request, wherein, the mark of IPv4 terminal is used for distinguishing this IPv4 terminal in a network, can be the MAC(Media Access Control of this IPv4 terminal, medium plan) address etc., in addition, the message sent between IPv4 terminal and home gateway is IPv4 message format message.
Step 502, home gateway receives the DynamicHost configuring request that IPv4 terminal sends, and adds in management equipment table by this IPv4 terminal;
Home gateway (i.e. HGW, HomeGetway) is set up in advance a management equipment table.The mark of this IPv4 terminal is added in management equipment table after receiving the DynamicHost configuring request of IPv4 terminal transmission by home gateway; In addition, also include the mark of home gateway in management equipment table, management equipment table also sets up binding relationship for the mark of this IPv4 terminal and the mark of home gateway.Accordingly, the mark of home gateway also can be the MAC Address of this home gateway.
Step 503, home gateway sends the port controlling request carrying IPv4 terminal network port to network gateway;
After the mark of IPv4 terminal is added to management equipment table by home gateway, request (PCP Request) is controlled to network gateway transmit port by the IPv6 tunnel between network gateway, request network gateway is IPv4 terminal distribution listening port, wherein, the network port identification of IPv4 terminal is carried in this port controlling request.
Step 504, network gateway is this IPv4 terminal distribution listening port according to port controlling request, and returns the port controlling confirmation response of the mapping relations carrying this listening port and IPv4 terminal network port to home gateway;
Concrete, after network gateway receives port controlling request, for IPv4 terminal distribution untapped port is as the listening port of this IPv4 terminal, and the mapping relations between the network port setting up the IPv4 terminal of carrying in this listening port and port controlling request; In addition, network gateway also by this listening port and corresponding IPv6 tunnel binding when receiving this port controlling request so that the message received by this listening port sends to home gateway by this IPv6 tunnel.
After network gateway sets up the mapping relations of the network port of this listening port and IPv4 terminal, return port controlling confirmation response (PCP Ack) to home gateway, in this port controlling confirmation response, carry the mapping relations of the network port of this listening port and IPv4 terminal.
The message sent between home gateway and network gateway is IPv6 message format message.
Step 505, home gateway receives the port controlling confirmation response that network gateway returns, and returns the response of DynamicHost configure-ack to IPv4 terminal;
After home gateway receives the port controlling confirmation response that returns of network gateway, obtain and preserve the mapping relations of the network port of this listening port and IPv4 terminal.Now, namely IPv4 terminal can accept the management of two stack management server by this listening port.Concrete, the administrative messag that this listening port receives by network gateway sends to home gateway by the IPv6 tunnel bound with this listening port, administrative messag is transmitted to IPv4 terminal according to the mapping relations of the network port of listening port and IPv4 terminal by home gateway again, now, the Path Setup of managing I Pv4 terminal completes.
Now, home gateway returns the response of DynamicHost configure-ack to IPv4 terminal, to notify that the configuration of IPv4 terminal DynamicHost completes.Including home gateway in the response of this DynamicHost configure-ack is the information such as the private address of IPv4 terminal distribution and the mark of this home gateway.
Step 506, IPv4 terminal sends the acceptance management notice carrying the binding relationship of the mark of IPv4 terminal self and the mark of home gateway to two stack management server;
Whether correct in order to verify the passage of the managing I Pv4 terminal that above-mentioned steps is set up, in the present embodiment, IPv4 terminal can send the acceptance management notice of the binding relationship between mark and the mark of this IPv4 terminal reception home gateway transmission carrying IPv4 terminal itself according to the public network address of two stack management server.Wherein, this binding relationship is the first corresponding relation in embodiment two and embodiment three.
After the DynamicHost configure-ack response that IPv4 terminal reception home gateway returns, mark and the mark of himself of the home gateway comprised in being responded by DynamicHost configure-ack are bound, and manage notice to two stack management server transmission acceptance, carry the binding relationship of the mark of IPv4 terminal self and the mark of this IPv4 terminal reception home gateway transmission during this acceptance management notifies.It should be noted that, IPv4 terminal also can obtain the mark of home gateway by other approach, such as home gateway can at DHCP Offer, namely the mark of home gateway self is added in the response to DHCP Discover, now, IPv4 terminal just can obtain the mark of this home gateway from DHCP Offer.
Under DS-lite network environment, the message of the IPv4 message format that IPv4 terminal sends, needs to be packaged into IPv6 message format at family's gateway, and is sent to outer net by the IPv6 tunnel between home gateway and network gateway.In practical application, acceptance that IPv4 terminal sends by home gateway management notice is according to RFC2473(IPv4-in-IPv6) after the tunneling that defines encapsulates, network gateway is sent to by the IPv6 tunnel between home gateway and network gateway, be transmitted to two stack management server by network gateway, two stack management server carries out decapsulation to obtain the acceptance management notice of IPv4 form to the message received.Same, two stack management server sends to the message of IPv4 terminal also to need encapsulation through IPv4-IPv6 and decapsulation step by listening port.
It should be noted that, two stack management server is the management server adding IPv4 agreement in IPv6 protocol stack, and namely two stack management server had both supported IPv6 agreement, also supports IPv4 agreement.
Step 507, two stack management server according to the acceptance management notice binding IP v4 terminal received and home gateway, and returns the response of docking managed notice to IPv4 terminal;
Concrete, after two stack management server receives the acceptance management notice of IPv4 terminal transmission, receive the binding relationship of the mark that home gateway sends according to the mark and this IPv4 terminal that accept the IPv4 terminal of carrying in management notice, set up the binding relationship of this IPv4 terminal and this home gateway.
Step 508, two stack management server sends the request obtaining and carry the management equipment table of the binding relationship of the mark of IPv4 terminal and the mark of home gateway to home gateway;
Send the accuracy rate of administrative messag to improve subtend IPv4 terminal, two stack management server needs to initiate cross-check, to confirm the binding relationship of IPv4 terminal and home gateway further by IPv6 network.For this reason, after the binding relationship that two stack management server sets up this IPv4 terminal and home gateway, the request of the management equipment table of the binding relationship between mark and the mark of this home gateway reception IPv4 terminal transmission obtaining and carry home gateway itself can be sent to home gateway.Wherein, the binding relationship between the mark that the mark of the home gateway carried in management equipment table itself and this home gateway reception IPv4 terminal send is embodiment two and the second corresponding relation described in embodiment three.
Step 509, home gateway sends management equipment list to two stack management server.
Home gateway returns management equipment list to two stack management server after receiving the request obtaining management equipment table.
In addition, the message sent between two stack management server and home gateway is IPv6 message format.
Step 510, two stack management server checks according to the binding relationship of management equipment table to IPv4 terminal and home gateway.
Concrete, the mark of IPv4 terminal of carrying in the management equipment table of the mark of IPv4 terminal of carrying during the acceptance management that IPv4 terminal can send by two stack management server notifies and the binding relationship (the first corresponding relation) of the mark of home gateway and home gateway transmission and the binding relationship (the second corresponding relation) of the mark of home gateway are compared, if the mark of IPv4 terminal in the first corresponding relation is identical with the mark of home gateway with the mark of the IPv4 terminal in the second corresponding relation with the mark of home gateway, then finally confirm that the binding relationship of IPv4 terminal and home gateway is correct, that is the foundation of the passage of managing I Pv4 terminal is correct.
In sum, the foundation of the passage of the terminal management IPv4 terminal that the present embodiment four provides and verification method, the network port identification of this IPv4 terminal sent via home gateway is received by network gateway, and open a listening port according to this network port identification for this IPv4 terminal, for the administrative messag that receiving management equipment sends to this IPv4 terminal, namely the passage of managing I Pv4 terminal can be set up without the need to third party device, reach the complexity simplifying DS-lite and dispose, reduce maintenance difficulties, save the object of deployment and maintenance cost; In addition, the foundation of the passage of the terminal management IPv4 terminal that the present embodiment four provides and verification method also obtain the binding relationship of the mark of IPv4 terminal and the mark of home gateway respectively from IPv4 terminal and home gateway by management equipment, and the binding relationship of home gateway and IPv4 terminal is verified with this, reach and improve management equipment to the object of IPv4 terminal management accuracy.
Embodiment five
Refer to Fig. 6, it illustrates a kind of method flow diagram forwarding the method for the data of the passage of managing I Pv4 terminal that the embodiment of the present invention five provides, the method can be applied to the data of the passage in the DS-lite network environment repeating managing I Pv4 terminal comprising the nodes such as IPv4 terminal, home gateway, network gateway and management equipment.The method of the data of the passage of this forwarding managing I Pv4 terminal can comprise the steps:
Step 601, receives the network port identification of the IPv4 terminal that IPv4 terminal sends;
Step 602, to the network port identification of the IPv4 terminal that network gateway transmission and reception are arrived;
Step 603, the network port identification based on IPv4 terminal that reception network gateway sends is the mapping relations between the listening port of this IPv4 terminal distribution and the network port of this IPv4 terminal, to forward the data between this network port and this listening port according to these mapping relations.
In sum, a kind of method forwarding the data of the passage of managing I Pv4 terminal that the present embodiment five provides, by forwarding the network port identification of IPv4 terminal to network gateway, and the network port identification based on described IPv4 terminal receiving network gateway transmission is the mapping relations between the listening port of described IPv4 terminal distribution and the network port of described IPv4 terminal, reaches the object of the data of the passage forwarding managing I Pv4 terminal.
Embodiment six
Refer to Fig. 7, it illustrates the structural representation of the network gateway that the embodiment of the present invention six provides, this network gateway can be applied in DS-lite network environment.This network gateway specifically can comprise:
Receiving element 701, for receiving the network port identification of the IPv4 terminal that home gateway sends;
Port control unit 702, network port identification for the IPv4 terminal received according to receiving element 701 is this IPv4 terminal distribution listening port, to set up the passage of the managing I Pv4 terminal between the network port of this IPv4 terminal and this listening port, so that described IPv4 terminal accepts the telemanagement of management equipment.
Concrete, Port control unit 702 comprises:
Port assignment subelement 702a, for being this IPv4 terminal distribution listening port;
Mapping relations set up subelement 702b, for setting up the mapping relations between the listening port of port assignment subelement 702a distribution and the network port of IPv4 terminal;
In addition, network gateway also comprises:
Transmitting element 703, the mapping relations set up for mapping relations being set up subelement 702b send to described home gateway, so that home gateway forwards the data between the described network port and described listening port according to these mapping relations.
Concrete, after home gateway receives the mapping relations of transmitting element 703 transmission, namely the passage of managing I Pv4 terminal has been set up.When the administrative messag that two stack management servers that the listening port of this IPv4 terminal receives send, this administrative messag can be sent to home gateway by network gateway, and administrative messag is transmitted to IPv4 terminal according to these mapping relations by home gateway.
It should be noted that, the network gateway that the present embodiment provides, its each functional unit can map to different circuit, and such as receiving circuit, transtation mission circuit, port control circuit and mapping relations set up circuit etc.; In addition, the repertoire of the network gateway that the present embodiment provides also can be completed by same processor, such as, is completed the task such as foundation of transmission, reception, port controlling and mapping relations by same processor.
The network gateway that the present embodiment six provides is by the network port identification of the IPv4 terminal according to home gateway transmission, open the listening port of IPv4 terminal, namely two stack management server is set up to the passage of the managing I Pv4 terminal of this IPv4 terminal without the need to third party device, reach the complexity simplifying DS-lite and dispose, reduce maintenance difficulties, save the object of deployment and maintenance cost.
Embodiment seven
Refer to Fig. 8, it illustrates the structural representation of the home gateway that the embodiment of the present invention seven provides, this home gateway can be applied in DS-lite network environment.This home gateway specifically can comprise:
First receiving element 801, for receiving the network port identification of this IPv4 terminal that IPv4 terminal sends;
First transmitting element 802, for sending the network port identification of the IPv4 terminal that the first receiving element 801 receives to network gateway.
The network port identification of the IPv4 terminal that network gateway sends according to the first transmitting element 802 is this IPv4 terminal distribution listening port, set up the network port of IPv4 terminal and the mapping relations of this listening port, and the mapping relations of foundation are returned to home gateway, therefore, this home gateway also comprises:
Second receiving element 803, the network port identification based on IPv4 terminal sent for receiving network gateway is the mapping relations between the listening port of IPv4 terminal distribution and the network port of this IPv4 terminal, to forward the data between this network port and this listening port according to these mapping relations.
After home gateway receives the mapping relations that network gateway returns, the Path Setup of managing I Pv4 terminal completes, and namely the administrative messag that the listening port of the IPv4 terminal on network gateway receives according to these mapping relations, can be transmitted to IPv4 terminal by home gateway.
In order to confirm the correctness of the Path Setup of managing I Pv4 terminal, management equipment needs the binding relationship obtaining the mark of IPv4 terminal and the mark of home gateway from IPv4 terminal and home gateway respectively, and the binding relationship of acquisition is compared the accuracy of the Path Setup confirming managing I Pv4 terminal, therefore:
First receiving element 801, also for receiving the mark of the described IPv4 terminal that IPv4 terminal sends;
Home gateway also comprises:
Relation corresponding unit 805, for the mark of the mark of IPv4 terminal that received by the first receiving element 801 and home gateway self as the second corresponding relation;
Second transmitting element 804, for receive the mapping relations between the listening port of network gateway transmission and the network port of IPv4 terminal at the second receiving element 803 after, sends the second corresponding relation to management equipment.
In sum, the home gateway that the present embodiment seven provides is by the network port identification of this IPv4 terminal to the transmission of forwarding IPv4 terminal, so that network gateway opens the listening port of this IPv4 terminal, namely the passage of management equipment to this managing I Pv4 terminal is set up without the need to third party device, reach the complexity simplifying DS-lite and dispose, reduce maintenance difficulties, save the object of deployment and maintenance cost; In addition, the home gateway that the present embodiment seven provides is by sending the binding relationship of the mark of IPv4 terminal and the mark of home gateway to management equipment, so that the binding relationship of management equipment checking home gateway and IPv4 terminal, reaches the object of the accuracy of the foundation of the passage confirming managing I Pv4 terminal.
Embodiment eight
Refer to Fig. 9, it illustrates the structural representation of the IPv4 terminal that the embodiment of the present invention eight provides.This IPv4 terminal specifically can comprise:
First transmitting element 901, for sending the network port identification of this IPv4 terminal to home gateway.
After home gateway receives the network port identification of this IPv4 terminal that the first transmitting element 901 sends, this network port identification is transmitted to network gateway, so that network gateway is this IPv4 terminal distribution listening port and the mapping relations set up between the network port of IPv4 terminal and this listening port.Namely home gateway completes the foundation of the passage of this managing I Pv4 terminal after receiving the mapping relations between the network port of the IPv4 terminal that network gateway is set up and listening port.
In order to verify the accuracy of the passage of this managing I Pv4 terminal of foundation, this IPv4 terminal also comprises:
Receiving element 903, for receiving the mark of this home gateway that home gateway sends;
Relation corresponding unit 904, for the mark of the mark of home gateway that received by receiving element 903 and IPv4 terminal self as the first corresponding relation;
Second transmitting element 902, for sending the first corresponding relation to management equipment.
In sum, the IPv4 terminal that the present embodiment eight provides is by sending the network port identification of this IPv4 terminal to network gateway via home gateway, opened the listening port of this IPv4 terminal at outer net by network gateway, namely the passage of management equipment to this managing I Pv4 terminal is set up without the need to third party device, reach the complexity simplifying DS-lite and dispose, reduce maintenance difficulties, save the object of deployment and maintenance cost.In addition, the IPv4 terminal that the present embodiment eight provides is by sending the binding relationship of the mark of IPv4 terminal and the mark of home gateway to management equipment, so that the binding relationship of management equipment checking home gateway and IPv4 terminal, reaches the object of the accuracy of the Path Setup confirming managing I Pv4 terminal.
Embodiment nine
Refer to Figure 10, it illustrates the structural representation of the management equipment that the embodiment of the present invention nine provides, this management equipment can be the two stack management servers being applied to DS-lite network environment.This management equipment specifically can comprise:
First receiving element 1001, for the first corresponding relation that the passage receiving the managing I Pv4 terminal that IPv4 terminal is set up by network gateway sends, this first corresponding relation is: the mark of IPv4 terminal itself and this IPv4 terminal receive the binding relationship between the mark of home gateway transmission;
Second receiving element 1002, for receiving the second corresponding relation that home gateway sends, this second corresponding relation is: home gateway receives the binding relationship between the mark of IPv4 terminal transmission and the mark of this home gateway itself;
Judging unit 1003, for when judging that this second corresponding relation is identical with this first corresponding relation, judges that the Path Setup of this managing I Pv4 terminal is correct.
In sum, the management equipment that the present embodiment nine provides is by obtaining the binding relationship of the mark of IPv4 terminal and the mark of home gateway respectively from IPv4 terminal and home gateway, and the binding relationship of home gateway and IPv4 terminal is verified by the binding relationship that contrast obtains, reach the object of the accuracy of the Path Setup confirming managing I Pv4 terminal.
Embodiment ten
Refer to Figure 11, it illustrates the foundation of the passage of the managing I Pv4 terminal that the embodiment of the present invention ten provides and the System's composition figure of verification system, foundation and the verification system of the passage of this terminal management IPv4 terminal can be applied in DS-lite network environment.Foundation and the verification system of the passage of this terminal management IPv4 terminal can comprise: the network gateway 70 shown in embodiment six, the home gateway 80 shown in embodiment seven, the IPv4 terminal 90 shown in embodiment eight and the management equipment shown in embodiment nine 100.
In sum, the foundation of the passage of the managing I Pv4 terminal that the present embodiment ten provides and verification system receive the network port identification of this IPv4 terminal that IPv4 terminal sends via home gateway by network gateway, and be that this IPv4 terminal distribution one can long term maintenance listening port according to this network port identification, for the administrative messag that receiving management equipment sends to this IPv4 terminal, namely the passage of managing I Pv4 terminal can be set up without the need to third party device, reach the complexity simplifying DS-lite and dispose, reduce maintenance difficulties, save the object of deployment and maintenance cost; In addition, the Path Setup system of the managing I Pv4 terminal that the present embodiment ten provides also obtains the binding relationship of the mark of IPv4 terminal and the mark of home gateway respectively from IPv4 terminal and home gateway by management equipment, and the binding relationship of home gateway and IPv4 terminal is verified with this, reach and improve management equipment to the object of IPv4 terminal management accuracy.
It should be noted that: the network gateway that above-described embodiment provides, home gateway, IPv4 terminal and management equipment are when setting up the passage of managing I Pv4 terminal, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, internal structure by device is divided into different functional modules, to complete all or part of function described above.In addition, foundation and the verification method embodiment of the foundation of the passage of the managing I Pv4 terminal that above-described embodiment provides and the passage of verification system and managing I Pv4 terminal belong to same design, and its specific implementation process refers to embodiment of the method, repeats no more here.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a method for building up for the passage of managing I Pv4 terminal, is characterized in that, described method comprises:
Receive the network port identification of the IPv4 terminal that home gateway sends;
Be described IPv4 terminal distribution listening port according to the network port identification of described IPv4 terminal, to set up the passage of the managing I Pv4 terminal between the described network port and described listening port, so that described IPv4 terminal accepts the telemanagement of management equipment;
Wherein, the described network port identification according to described IPv4 terminal is described IPv4 terminal distribution listening port, to set up the passage of the managing I Pv4 terminal between the described network port and described listening port, specifically comprises:
For described IPv4 terminal distribution listening port, and the mapping relations between the network port setting up described listening port and described IPv4 terminal;
Described mapping relations are sent to described home gateway, so that described home gateway forwards the data between the described network port and described listening port according to described mapping relations.
2. a verification method for the passage of managing I Pv4 terminal, is characterized in that, described method comprises:
The first corresponding relation that the passage receiving the managing I Pv4 terminal that IPv4 terminal is set up by network gateway sends, described first corresponding relation is: the mark of described IPv4 terminal itself and described IPv4 terminal receive the binding relationship between the mark of home gateway transmission;
Obtain the second corresponding relation that described home gateway sends, described second corresponding relation is: described home gateway receives the binding relationship between the mark of IPv4 terminal transmission and the mark of described home gateway itself;
When judging that described second corresponding relation is identical with described first corresponding relation, judge that the Path Setup of described managing I Pv4 terminal is correct.
3. a network gateway, is characterized in that, described network gateway comprises:
Receiving element, for receiving the network port identification of the IPv4 terminal that home gateway sends;
Port control unit, network port identification for the described IPv4 terminal received according to described receiving element is described IPv4 terminal distribution listening port, to set up the passage of the managing I Pv4 terminal between the described network port and described listening port, so that described IPv4 terminal accepts the telemanagement of management equipment;
Wherein, described Port control unit comprises:
Port assignment subelement, for being described IPv4 terminal distribution listening port;
Mapping relations set up subelement, for setting up the mapping relations between the listening port of described port assignment subelement distribution and the network port of described IPv4 terminal;
Described network gateway also comprises:
Transmitting element, the mapping relations set up for described mapping relations being set up subelement send to described home gateway, so that described home gateway forwards the data between the described network port and described listening port according to described mapping relations.
4. a management equipment, is characterized in that, described management equipment comprises:
First receiving element, for the first corresponding relation that the passage receiving the managing I Pv4 terminal that IPv4 terminal is set up by network gateway sends, described first corresponding relation is: the mark of described IPv4 terminal itself and described IPv4 terminal receive the binding relationship between the mark of home gateway transmission;
Second receiving element, for receiving the second corresponding relation that home gateway sends, described second corresponding relation is: described home gateway receives the binding relationship between the mark of IPv4 terminal transmission and the mark of described home gateway itself;
Judging unit, for when judging that described second corresponding relation is identical with described first corresponding relation, judges that the Path Setup of described managing I Pv4 terminal is correct.
5. forward a method for the data of the passage of managing I Pv4 terminal, it is characterized in that, described method comprises:
Receive the network port identification of the described IPv4 terminal that IPv4 terminal sends;
The network port identification of described IPv4 terminal is sent to network gateway;
Receiving the network port identification based on described IPv4 terminal that described network gateway sends is mapping relations between the listening port of described IPv4 terminal distribution and the network port of described IPv4 terminal, to forward the data between the described network port and described listening port according to described mapping relations.
6. a home gateway, is characterized in that, described home gateway comprises:
First receiving element, for receiving the network port identification of the described IPv4 terminal that IPv4 terminal sends;
First transmitting element, for sending the network port identification of the described IPv4 terminal that described first receiving element receives to network gateway;
Second receiving element, the network port identification based on described IPv4 terminal sent for receiving described network gateway is the mapping relations between the listening port of described IPv4 terminal distribution and the network port of described IPv4 terminal, to forward the data between the described network port and described listening port according to described mapping relations.
7. home gateway according to claim 6, is characterized in that, described first receiving element, also for receiving the mark of the described IPv4 terminal that described IPv4 terminal sends;
Described home gateway also comprises:
Relation corresponding unit, for the mark of the mark of IPv4 terminal that received by described first receiving element and described home gateway self as the second corresponding relation;
Second transmitting element, for receive the mapping relations between the listening port of described network gateway transmission and the network port of described IPv4 terminal at described second receiving element after, sends described second corresponding relation to management equipment.
Priority Applications (4)
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| CN201210218484.8A CN102761440B (en) | 2012-06-28 | 2012-06-28 | Method for establishing channel for managing IPv4 terminal and network gateway |
| PCT/CN2013/076995 WO2014000565A1 (en) | 2012-06-28 | 2013-06-08 | Method for establishing channel for managing ipv4 terminal and network gateway |
| EP13171632.6A EP2680491B1 (en) | 2012-06-28 | 2013-06-12 | Method for establishing channel for managing an IPv4 terminal |
| US13/919,511 US9516070B2 (en) | 2012-06-28 | 2013-06-17 | Method for establishing channel for managing IPV4 terminal and network gateway |
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| CN102761440B (en) * | 2012-06-28 | 2015-01-28 | 华为终端有限公司 | Method for establishing channel for managing IPv4 terminal and network gateway |
| KR101884713B1 (en) * | 2012-07-20 | 2018-08-30 | 삼성전자주식회사 | Home networking system and method for network setting method of router in the home network |
| CN103260088B (en) * | 2012-12-14 | 2016-03-16 | 四川九洲电器集团有限责任公司 | A kind of Set Top Box supports the method for IPV4 and IPV6 network simultaneously |
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| CN105099931A (en) * | 2015-05-20 | 2015-11-25 | 小米科技有限责任公司 | Method and device for processing interaction between equipment |
| CN105629752A (en) * | 2015-12-30 | 2016-06-01 | 深圳众乐智府科技有限公司 | Intelligent household equipment access method and intelligent household system |
| CN106982270B (en) * | 2016-01-19 | 2019-11-29 | 华为技术有限公司 | A kind of method, apparatus and network system distributed and map public network address |
| CN105791066B (en) * | 2016-04-26 | 2019-08-20 | 中国联合网络通信集团有限公司 | Control method for sending information and device |
| FR3053194A1 (en) * | 2016-06-22 | 2017-12-29 | Orange | METHOD AND DEVICE FOR PROVIDING AN ADDRESS BY A DEVICE MANAGING A NETWORK |
| CN109600671B (en) * | 2018-12-13 | 2021-02-19 | 四川九州电子科技股份有限公司 | System and method for rapidly upgrading network set top box |
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| EP2680491B1 (en) | 2017-11-08 |
| CN102761440A (en) | 2012-10-31 |
| US9516070B2 (en) | 2016-12-06 |
| WO2014000565A1 (en) | 2014-01-03 |
| US20140006584A1 (en) | 2014-01-02 |
| EP2680491A1 (en) | 2014-01-01 |
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